PCA9509P datasheet(13/23 Pages) NXP

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PCA9509P

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Product data sheet

Rev. 1 — 14 August 2012

13 of 23

NXP Semiconductors

PCA9509P

Low power level translating I2C-bus/SMBus repeater

VCC(A) = 1.1 V; VCC(B) =3.3 V

(1) Slew rate of falling signal, port B

(2) Slew rate of rising signal, port B

(3) Slew rate of falling signal, port A

(4) Slew rate of rising signal, port A

Tamb =27 C; VCC(B) =3.3 V

(1) Port A tPHL

(2) Port A tPLH

(3) Port B tPLH2

(4) Port B tPHL

Fig 12. Typical slew rate versus ambient temperature

Fig 13. Typical propagation delay versus port A

supply voltage

Tamb =27 C; VCC(B) =3.3 V

(1) Slew rate of falling signal, port B

(2) Slew rate of rising signal, port B

(3) Slew rate of falling signal, port A

(4) Slew rate of rising signal, port A

Fig 14. Typical port B LOW to HIGH propagation delay

versus port A supply voltage

Fig 15. Typical slew rate versus port A supply voltage

0.02

0.04

0.06

(V/ns)

Tamb (°C)

−50

125

002aag183

100

−25

(1)

(2)

(3)

(4)

150

190

time

(ns)

VCC(A) (V)

0.8

1.5

0.9

002aag184

1.0

1.2

1.3

1.4

1.1

110

(1)

(2)

(3)

(4)

−112

−108

tPLH

(ns)

VCC(A) (V)

0.8

1.5

0.9

002aag191

1.0

1.2

1.3

1.4

1.1

−111

−110

−109

0.04

0.06

(V/ns)

VCC(A) (V)

0.8

1.5

0.9

002aag192

1.0

1.2

1.3

1.4

1.1

0.02

(1)

(2)

(3)

(4)

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